remove '#include <iostream>' from headers and from unneeded places

It's harmful to have iostream everywhere as it injects functions in the compiled files

src/api/api_ast.cpp

@@ -15,7 +15,6 @@ Author:
 Revision History:
 
 --*/
-#include<iostream>
 #include "api/api_log_macros.h"
 #include "api/api_context.h"
 #include "api/api_util.h"

src/api/api_ast_map.cpp

@@ -15,7 +15,6 @@ Author:
 Revision History:
 
 --*/
-#include<iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/api_ast_vector.cpp

@@ -15,7 +15,6 @@ Author:
 Revision History:
 
 --*/
-#include<iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/api_fpa.cpp

@@ -16,7 +16,6 @@ Author:
 Notes:
 
 --*/
-#include<iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/api_goal.cpp

@@ -15,7 +15,6 @@ Author:
 Revision History:
 
 --*/
-#include<iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/api_numeral.cpp

@@ -16,7 +16,6 @@ Revision History:
 
 --*/
 #include<cmath>
-#include<iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/api_opt.cpp

@@ -15,7 +15,6 @@ Author:
 Revision History:
 
 --*/
-#include<iostream>
 #include "util/cancel_eh.h"
 #include "util/scoped_timer.h"
 #include "util/scoped_ctrl_c.h"

src/api/api_params.cpp

@@ -17,7 +17,6 @@ Author:
 Revision History:
 
 --*/
-#include<iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/api_parsers.cpp

@@ -15,7 +15,6 @@ Author:
 Revision History:
 
 --*/
-#include<iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/api_qe.cpp

@@ -17,7 +17,6 @@ Notes:
 
 --*/
 
-#include <iostream>
 #include "ast/expr_map.h"
 #include "api/z3.h"
 #include "api/api_log_macros.h"

src/api/api_rcf.cpp

@@ -19,7 +19,6 @@ Author:
 Notes:
     
 --*/
-#include<iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/api_solver.cpp

@@ -16,7 +16,6 @@ Author:
 Revision History:
 
 --*/
-#include<iostream>
 #include<thread>
 #include "util/scoped_ctrl_c.h"
 #include "util/cancel_eh.h"

src/api/api_special_relations.cpp

@@ -17,7 +17,6 @@ Revision History:
 
 --*/
 
-#include <iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/api_stats.cpp

@@ -15,7 +15,6 @@ Author:
 Revision History:
 
 --*/
-#include<iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/api_tactic.cpp

@@ -15,7 +15,6 @@ Author:
 Revision History:
 
 --*/
-#include<iostream>
 #include "api/z3.h"
 #include "api/api_log_macros.h"
 #include "api/api_context.h"

src/api/c++/z3++.h

@@ -21,7 +21,7 @@ Notes:
 #pragma once
 
 #include<cassert>
-#include<iostream>
+#include<ostream>
 #include<string>
 #include<sstream>
 #include<memory>

src/api/z3_private.h

@@ -18,7 +18,6 @@ Notes:
 
 --*/
 
-#include<iostream>
 #include "util/rational.h"
 #include "api/z3_macros.h"
 

src/api/z3_replayer.cpp

@@ -22,6 +22,7 @@ Notes:
 #include "util/stream_buffer.h"
 #include "util/symbol.h"
 #include "util/trace.h"
+#include<iostream>
 #include<sstream>
 #include<vector>
 

src/api/z3_replayer.h

@@ -18,7 +18,6 @@ Notes:
 --*/
 #pragma once
 
-#include<iostream>
 #include "api/z3.h"
 #include "util/z3_exception.h"